<!DOCTYPE HEML PUBLIC>
<html>
    <head>
    <meta charset="utf-8">
    <title>
        From ZXW-NUDT
    </title>
        <style>
            body{text-align:center}
            html, body
            {
                width: 100%;
                height: 100%;
                margin: 0;
                padding: 0;
                border: 0;
            }
            
            div
            {
                margin: 0;
                padding: 0;
                border: 0;
            }

            .nav
            {
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 27px;
                background-color: white;
                color: black;
                text-align: center;
                line-height: 25px;
            }

            a
            {
                color: black;
                text-decoration: none;
                border-bottom: 1px dashed black;
            }

            a:hover
            {
                border-bottom: 1px solid red;
            }

            .previous
            {
                float: left;
                margin-left: 10px;
            }

            .next
            {
                float: right;
                margin-right: 10px;
            }

            .green
            {
                color: green;
            }

            .red
            {
                color: red;
            }

            textarea
            {
                width: 100%;
                height: 100%;
                border: 0;                
                padding: 0;                
                margin: 0;                
                padding-bottom: 20px;              
            }

            .block-outer            
            {                
                float: left;                
                width: 22%;                
                height: 100%;                
                padding: 5px;                
                border-left: 1px solid bla